255  
FPUS55 KBOU 010648  
ZFPBOU  
 
ZONE FORECAST PRODUCT FOR NORTHEAST COLORADO  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
1248 AM MDT MON JUN 1 2026  
 
COZ038>040-012100-  
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-  
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD  
COUNTY-  
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND  
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-  
INCLUDING FORT COLLINS, HEREFORD, LOVELAND, NUNN, ARVADA,  
BOULDER, GOLDEN, LAKEWOOD, LONGMONT, AURORA, BRIGHTON,  
CITY OF DENVER, DENVER INTERNATIONAL AIRPORT, HIGHLANDS RANCH,  
LITTLETON, AND PARKER  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS. LOWS 47 TO 55.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 76 TO 82. SOUTHEAST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
20 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. LOWS 50 TO 56. CHANCE OF PRECIPITATION 20 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 79 TO 85.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 50 TO 56.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 79 TO 85.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 50 TO 56. CHANCE OF RAIN  
30 PERCENT.    
THURSDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 81 TO 87.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 52 TO 58.    
FRIDAY AND FRIDAY NIGHT
 
PARTLY CLOUDY. HIGHS 84 TO 90. LOWS  
53 TO 59.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 86 TO 92.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 54 TO 60.    
SUNDAY
 
MOSTLY SUNNY. HIGHS 86 TO 92.  
 

 
 
COZ041-012100-  
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-  
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
AFTER MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS TOWARDS SUNRISE.  
LOWS NEAR 50. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 73 TO 79. EAST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 40 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. LOWS NEAR 50. CHANCE OF PRECIPITATION 20 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 76 TO 82. SOUTHEAST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 50. SOUTH WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 75 TO 81.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 47 TO 53.    
THURSDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 78 TO 84.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 50 TO 56.    
FRIDAY THROUGH SATURDAY
 
PARTLY CLOUDY. HIGHS 79 TO 87. LOWS  
50 TO 56.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 51 TO 57.    
SUNDAY
 
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 81 TO 87.  
 

 
 
COZ042>045-012100-  
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-  
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-  
INCLUDING BRIGGSDALE, GROVER, PAWNEE BUTTES, RAYMER, STONEHAM,  
EATON, FORT LUPTON, GREELEY, ROGGEN, BRUSH, FORT MORGAN,  
GOODRICH, WIGGINS, BENNETT, BYERS, DEER TRAIL, AND LEADER  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT, THEN A SLIGHT CHANCE OF THUNDERSTORMS TOWARDS SUNRISE.  
LOWS NEAR 50. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING,  
THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS NEAR 80.  
SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE  
AFTERNOON. CHANCE OF RAIN 50 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS  
NEAR 50. EAST WINDS 10 TO 15 MPH IN THE EVENING, BECOMING LIGHT.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER TO MID 80S. SOUTHEAST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER TO MID 50S. SOUTH WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
WEDNESDAY AND WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER TO MID 80S. LOWS NEAR  
50.    
THURSDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID TO UPPER 80S.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER TO MID 50S.    
FRIDAY AND FRIDAY NIGHT
 
PARTLY CLOUDY. HIGHS IN THE MID 80S TO  
LOWER 90S. LOWS IN THE LOWER TO MID 50S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS NEAR 90.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 50S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS NEAR 90.  
 

 
 
COZ046-047-012100-  
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN  
COUNTY-  
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-  
INCLUDING AGATE, HUGO, LIMON, MATHESON, FORDER, KARVAL, KUTCH,  
AND PUNKIN CENTER  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. LOWS NEAR 50.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 79 TO 85. EAST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN 40 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE  
EVENING. LOWS NEAR 50. EAST WINDS 10 TO 15 MPH WITH GUSTS UP TO  
30 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS IN THE LOWER TO MID 80S.  
SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 50. SOUTH WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 30 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS NEAR 80.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 50.    
THURSDAY
 
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER 80S.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 50.    
FRIDAY THROUGH SUNDAY
 
PARTLY CLOUDY. HIGHS IN THE MID TO UPPER  
80S. LOWS 49 TO 55.  
 

 
 
COZ048>051-012100-  
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-  
INCLUDING CROOK, MERINO, STERLING, PEETZ, AKRON, COPE,  
LAST CHANCE, OTIS, JULESBURG, OVID, SEDGWICK, AMHERST, HAXTUN,  
AND HOLYOKE  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT, THEN A SLIGHT CHANCE OF THUNDERSTORMS TOWARDS SUNRISE.  
LOWS IN THE LOWER 50S. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 80S. EAST WINDS 10 TO 20 MPH.  
GUSTS UP TO 30 MPH IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN A CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. SOUTHEAST  
WINDS 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN  
50 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS IN THE LOWER TO MID 80S.  
SOUTHEAST WINDS 20 TO 25 MPH WITH GUSTS UP TO 35 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTH WINDS 10 TO 20 MPH  
WITH GUSTS UP TO 30 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER TO MID 80S. CHANCE OF  
RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S.    
THURSDAY AND THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER TO MID 80S. LOWS IN  
THE LOWER 50S.    
FRIDAY AND FRIDAY NIGHT
 
PARTLY CLOUDY. HIGHS IN THE MID TO  
UPPER 80S. LOWS IN THE LOWER 50S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 80S TO LOWER 90S.    
SATURDAY NIGHT AND SUNDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS NEAR 90.  
 

 
 
COZ035-012100-  
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-  
INCLUDING ESTES PARK, GLENDEVEY, NEDERLAND, AND RED FEATHER LAKES  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. LOWS 39 TO 49.    
MONDAY
 
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 64 TO 74. CHANCE  
OF PRECIPITATION 30 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. LOWS 42 TO 52. CHANCE OF PRECIPITATION 10 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 69 TO 77.    
TUESDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 43 TO 53.    
WEDNESDAY
 
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS  
69 TO 79. CHANCE OF RAIN 60 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 43 TO 53.    
THURSDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 70 TO 80.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
SHOWERS. LOWS 45 TO 55.    
FRIDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 73 TO 83.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS 45 TO 55.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 75 TO 85.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 46 TO 56.    
SUNDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 74 TO 84.  
 

 
 
COZ036-012100-  
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR  
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-  
INCLUDING BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN,  
IDAHO SPRINGS, AND WESTCREEK  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. LOWS 42 TO 52.    
MONDAY
 
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 66 TO 76. CHANCE  
OF PRECIPITATION 40 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS 42 TO 52.    
TUESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 71 TO 81.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 43 TO 53.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 70 TO 80.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 43 TO 53.    
THURSDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 72 TO 82.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 45 TO 55.    
FRIDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 74 TO 84.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS 45 TO 55.    
SATURDAY AND SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. HIGHS 75 TO 85. LOWS 46 TO 56.    
SUNDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 75 TO 85.  
 

 
 
COZ030-032-012100-  
JACKSON COUNTY BELOW 9000 FEET-  
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-  
INCLUDING GOULD, NORTH PARK, RAND, SPICER, WALDEN, DILLON,  
FRASER, GRANBY, GRAND LAKE, HOT SULPHUR SPRINGS, AND KREMMLING  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
MOSTLY CLEAR. LOWS 32 TO 38.    
MONDAY
 
MOSTLY SUNNY. HIGHS 67 TO 73. WEST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 35 TO 41.    
TUESDAY
 
PARTLY CLOUDY. HIGHS 71 TO 77.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 36 TO 42.    
WEDNESDAY
 
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 71 TO 77.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS 37 TO 43.    
THURSDAY
 
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 72 TO 78.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS 38 TO 44.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 73 TO 79.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS 38 TO 44.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 76 TO 82.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 40 TO 46.    
SUNDAY
 
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF THUNDERSTORMS.  
HIGHS 74 TO 80.  
 

 
 
COZ037-012100-  
CENTRAL AND SOUTHEAST PARK COUNTY-  
INCLUDING FAIRPLAY, HARTSEL, LAKE GEORGE, AND SOUTH PARK  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
MOSTLY CLEAR. LOWS 36 TO 42.    
MONDAY
 
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 64 TO 72.  
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 37 TO 43.    
TUESDAY
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 66 TO 74. SOUTH WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 40.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 65 TO 73.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS NEAR 40. CHANCE OF RAIN  
30 PERCENT.    
THURSDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 66 TO 74.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER TO MID 40S.    
FRIDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 68 TO 74.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S.    
SATURDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 70 TO 76.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER TO MID 40S.    
SUNDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 69 TO 75.  
 

 
 
COZ031-033-012100-  
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-  
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/  
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-  
INCLUDING MT ZIRKEL, CAMERON PASS,  
LARAMIE AND MEDICINE BOW MOUNTAINS, RABBIT EARS RANGE,  
ROCKY MOUNTAIN NATIONAL PARK, AND WILLOW CREEK PASS  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
MOSTLY CLEAR. LOWS 31 TO 39.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 57 TO 67. SOUTHWEST  
WINDS 10 TO 15 MPH IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 34 TO 42.    
TUESDAY
 
PARTLY CLOUDY. HIGHS 61 TO 71.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 36 TO 44.    
WEDNESDAY
 
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 61 TO 71.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS 36 TO 44.    
THURSDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 61 TO 71.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS 37 TO 45.    
FRIDAY
 
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF THUNDERSTORMS.  
HIGHS 63 TO 73.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS 38 TO 46.    
SATURDAY
 
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 66 TO 76.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 39 TO 47.    
SUNDAY
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 64 TO 74. CHANCE OF RAIN  
30 PERCENT.  
 

 
 
COZ034-012100-  
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/  
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE  
9000 FEET-  
INCLUDING BERTHOUD PASS, BRECKENRIDGE,  
EAST SLOPES MOSQUITO RANGE, EAST SLOPES SOUTHERN GORE RANGE,  
EISENHOWER TUNNEL, INDIAN PEAKS, KENOSHA MOUNTAINS,  
MOUNT BLUE SKY, WILLIAMS FORK MOUNTAINS, AND WINTER PARK  
1248 AM MDT MON JUN 1 2026  
   
REST OF TONIGHT
 
MOSTLY CLEAR. LOWS 31 TO 41.    
MONDAY
 
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 55 TO 65. SOUTHWEST WINDS 10 TO 15 MPH IN THE  
AFTERNOON. CHANCE OF RAIN 40 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
33 TO 43.    
TUESDAY
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 59 TO 69. CHANCE OF RAIN  
40 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS 34 TO 44.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 58 TO 68.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 34 TO 44. CHANCE OF RAIN  
30 PERCENT.    
THURSDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 59 TO 69.    
THURSDAY NIGHT AND FRIDAY
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS 36 TO 44. HIGHS 61 TO 71.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS 36 TO 46.    
SATURDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 63 TO 73.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 37 TO 47.    
SUNDAY
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 62 TO 72. CHANCE OF RAIN  
30 PERCENT.  
 

 
 
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